Documentation/x86/64: Add documentation for GS/FS addressing mode

Explain how the GS/FS based addressing can be utilized in user space
applications along with the differences between the generic prctl() based
GS/FS base control and the FSGSBASE version available on newer CPUs.

Originally-by: Andi Kleen <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: "Bae, Chang Seok" <[email protected]>
Cc: Andy Lutomirski <[email protected]>,
Cc: H . Peter Anvin <[email protected]>
Cc: "Shankar, Ravi V" <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions